碘的催化氧化动力学实验研究  

The Kinetics Study of Iodide ion Oxidation in lab

作　　者：方敏[1] 梁佰战[1] 甘蔓 徐开鑫 冯鹤[1] 宋建敏[3] 

机构地区：[1]贵州大学材料科学与冶金工程学院,贵州贵阳550003 [2]瓮福(集团)有限责任公司,贵州福泉550501 [3]大连交通大学材料科学与材料加工工程学院,辽宁大连116028

出　　处：《贵州大学学报（自然科学版）》2009年第4期97-99,共3页Journal of Guizhou University:Natural Sciences

摘　　要：用准级数和开始反应速率方法进行过氧化氢催化氧化碘离子动力学研究。实验发现:在反应控制的条件下,磷酸水溶液中碘离子的氧化反应总体表现为一级反应;磷酸与硫酸的混合溶液中碘离子的氧化反应总体表现呈现零级反应。分析了硫酸对该氧化反应的催化机理,以及氢离子浓度对该反应的影响。The kinetics of oxidation of iodide ion by hydrogen peroxide in aqueous phosphoric acid has been studied by means of the Pseudo-Order and initial-rates methods. Under controlled the experiment conditions, it shows that the overall reaction kinetics follows the shows that of zero order reaction in mixed phospho first order reaction in phosphoric acid aqueous solution; and it ric and sulfuric acid solution,. The sulfuric acid catalyst in the oxidation mechanism analyzed in this paper. The study also found that the hydrogen ion concentration had to play a intricacy role in this reaction.

关 键 词：过氧化氢 碘离子 动力学 过硫酸 

分 类 号：TQ124.6[化学工程—无机化工]